Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands |
Common Stock [Member]
Class A Common Stock [Member]
|
Common Stock [Member]
Class B Common Stock [Member]
|
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Accumulated Other Comprehensive Income (Loss) [Member] |
Triple-S Management Corporation [Member] |
Noncontrolling Interest in Consolidated Subsidiary [Member] |
Total |
|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2013 | $ 2,378 | $ 25,091 | $ 130,098 | $ 595,685 | $ 32,129 | $ 785,381 | $ (178) | $ 785,203 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||
| Share-based compensation | 0 | 135 | 2,236 | 0 | 0 | 2,371 | 0 | 2,371 |
| Stock issued upon the exercise of stock options | 0 | 199 | 2,686 | 0 | 0 | 2,885 | 0 | 2,885 |
| Repurchase and retirement of common stock | 0 | (771) | (13,615) | 0 | 0 | (14,386) | 0 | (14,386) |
| Net change in comprehensive income (loss) | 0 | 0 | 0 | 65,660 | 16,647 | 82,307 | (354) | 81,953 |
| Balance at Dec. 31, 2014 | 2,378 | 24,654 | 121,405 | 661,345 | 48,776 | 858,558 | (532) | 858,026 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||
| Share-based compensation | 0 | 202 | 8,088 | 0 | 0 | 8,290 | 0 | 8,290 |
| Stock issued upon the exercise of stock options | 0 | 13 | 166 | 0 | 0 | 179 | 0 | 179 |
| Common stock conversion | (1,427) | 1,427 | 0 | 0 | 0 | 0 | 0 | 0 |
| Repurchase and retirement of common stock | 0 | (2,248) | (46,221) | 0 | 0 | (48,469) | 0 | (48,469) |
| Non-controlling interest decrease related to retirement of consolidated subsidiary common stock | 0 | 0 | 0 | 0 | 0 | 0 | (49) | (49) |
| Net change in comprehensive income (loss) | 0 | 0 | 0 | 52,121 | (23,153) | 28,968 | (89) | 28,879 |
| Balance at Dec. 31, 2015 | 951 | 24,048 | 83,438 | 713,466 | 25,623 | 847,526 | (670) | 846,856 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||
| Share-based compensation | 0 | 223 | 2,576 | 0 | 0 | 2,799 | 0 | 2,799 |
| Stock issued upon the exercise of stock options | 0 | 4 | 51 | 0 | 0 | 55 | 0 | 55 |
| Repurchase and retirement of common stock | 0 | (954) | (20,473) | 0 | 0 | (21,427) | 0 | (21,427) |
| Net change in comprehensive income (loss) | 0 | 0 | 0 | 17,438 | 16,772 | 34,210 | (7) | 34,203 |
| Balance at Dec. 31, 2016 | $ 951 | $ 23,321 | $ 65,592 | $ 730,904 | $ 42,395 | $ 863,163 | $ (677) | $ 862,486 |